Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
nhung cong » dung cong, thong cong, hang cong
trinh toan » tinh toan, thanh toan, trinh quan
canh manh » lanh manh, canh tranh, cach mang
cua nhung » va nhung
trinh han » trinh quan
manh cua » doanh cua, ban cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sang) OR (chieu xanh)) - canh manh cua nhung cong ((trinh toan) or (trinh han)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (chieu xanh)) - canh manh cua nhung cong ((trinh toan) OR (trinh han)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) OR (chieu xanh)) - canh manh cua nhung cong ((trinh toan) or (trinh han)) tap".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) OR (chieu xanh)) - canh manh cua nhung cong ((trinh toan) or (trinh han)) tap*.